下列声音中,属于生活噪声的是[ ]
A.翻斗车工作时发出的声音
B.电钻工作时发出的声音
C.飞机起飞时发出的声音
D.燃放鞭炮发出的声音
答案:D
I’m amazed to get in touch with my deskmate of Junior Middle school again. __________, it is ten years since we met last.
A.Believe it or not
B.What’s more
C.That’s to say
D.In a word
下列除哪项外,均可选择胸部X线检查进行鉴别:( )
A.胸腔积液是血性或脓性
B.大叶性肺炎或支气管肺炎
C.气胸或肺大泡
D.肺不张或肺实变
E.肺脓肿或肺肿瘤